onLeftMouseUp event only when Ctrl is held?

CesiumJS
2

You can add a callback for ctrl-left mouse up event with:

var handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);

handler.setInputAction(

function (event) {

var mousePosition = event.position;

// …

}, Cesium.ScreenSpaceEventType.LEFT_UP, Cesium.KeyboardEventModifier.CTRL);

Dan